X9440 Datasheet, PDF (14/21 Pages) Intersil Corporation – Mixed Signal with SPI Interface

SYMBOL TABLE
WAVEFORM INPUTS
OUTPUTS
Must be
steady
Will be
steady
May change
from Low to
High
May change
from High to
Low
Don’t Care:
Changes
Allowed
N/A
Will change
from Low to
High
Will change
from High to
Low
Changing:
State Not
Known
Center Line
is High
Impedance
TIMING DIAGRAMS
Input Timing
CS
SCK
SI
t_LEAD
t_SU
t_H
t_WL
MSB
SO
High Impedance
Output Timing
CS
SCK
SO
SI ^ADDR
t_V
MSB
X9440
t_CYC
...
t_WH
t_FI
...
t_CS
t_RI
LSB
t_LAG
...
t_HO
...
t_DIS
LSB
14
FN8200.0
March 28, 2005